21CJ33 "Ventilation and Lighting Fire and Smoke Exhaust Skylight" Atlas is an industry reference atlas of ventilation skylights and fire smoke exhaust skylights edited by China Building Standard Design and Research Institute, the predecessor of this atlas is 11CJ33 "Ventilation and Lighting Skylights", 21CJ33 is a product performance upgrade and technical parameter optimization on the basis of the atlas, which has far-reaching reference and guidance significance in the field of building roof ventilation and smoke exhaust.
21CJ33 "Ventilation Lighting Fire Smoke Exhaust Skylight" mainly introduces 11 new ventilation lighting and smoke exhaust skylights, mainly including the following code window types:
1. Thin ventilation skylight
1. MCW1 thin ventilation skylight (parallel air duct type).
2. MCW2 thin ventilation skylight (interval air duct type).
2. Triangle fire smoke exhaust skylight.
1. MCW3 triangular fire smoke exhaust skylight.
2. MCW4 triangular fire smoke exhaust skylight.
3. MCW6 triangular fire smoke exhaust skylight.
3. Triangular + round arch combined fire smoke exhaust skylight
1. MCW5 combined fire linkage smoke exhaust skylight.
Fourth, glass ventilation, lighting, smoke exhaust skylight
1. MCW7 glass ventilation and lighting smoke exhaust skylight.
2. MCW8 glass ventilation and lighting smoke exhaust skylight.
5. Glass ventilation, lighting, smoke exhaust hanging windows
1. MCW9 glass ventilation and lighting smoke exhaust hanging window.
6. Round arch fusible lighting skylight
1. MCW10 round arch fusible skylight.
7. Round-arch side-opening ventilation and smoke exhaust skylight
1. MCW11 round arch side-opening ventilation and smoke exhaust skylight.